3. Chia động từ, chuyển các câu sau sang dạng phủ định và nghi vấn
1. They (go)____________ to Nha Trang last month.
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2. He (play)___________ table tennis with his father.
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3. Lan(see)___________ you in the park last week.
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4. We (stay)___________ in the countryside last summer.
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5. Mrs. Robinson (buy)________a poster.
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6. Liz (enjoy)____________ her vacation in Da Lat last year.
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7. Her aunt (give)__________ her a new skirt.
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8. They (watch)_________ a good footballmatch on TV last night.
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9. Peter (send)___________ that letter to Marry yesterday morning.
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10. We (visit)___________ Halong Bay three years ago.
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11. They left for Hai Phong in 1999.
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12. They (build) ___________a new school in my village ten months ago.
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13. I (borrow)____________ a lot of book in the library last weekend.
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